import axios from 'axios'
import router from '@/router';
import { ElMessage } from 'element-plus';

//创建axios实例对象
const request = axios.create({
  baseURL: '/api',
  timeout: 600000
})

//axios的请求 request 拦截器
request.interceptors.request.use( 
  (config) => {
    // 在发送请求之前做些什么
    const token = localStorage.getItem('token');
    if(token) {
      config.headers.token = token;
    }
  return config;
}, (error) =>  {
  // 对请求错误做些什
  return Promise.reject(error)
});

//axios的响应 response 拦截器
request.interceptors.response.use(
  (response) => { //成功回调
    return response.data
  },
  (error) => { //失败回调
    if(error.status == 401){
      ElMessage.error('登录已过期，请重新登录');
      router.push('/login');
    }else{
      ElMessage.error(`网络错误，请稍后再试: ${error.status}`);
    }
    return Promise.reject(error)
  }
)

export default request